<?php

class ArticleController extends Controller
{
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout='//layouts/column2';

	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules()
	{
		return array(
			array('allow',  // allow all users to perform 'index' and 'view' actions
				'actions'=>array('index','view','search','title'),
				'users'=>array('*'),
			),
			array('allow', // allow authenticated user to perform 'create' and 'update' actions
				'actions'=>array('create','update'),
				'users'=>array('@'),
			),
			array('allow', // allow admin user to perform 'admin' and 'delete' actions
				'actions'=>array('admin','delete'),
				'users'=>array('admin'),
			),
			array('deny',  // deny all users
				'users'=>array('*'),
			),
		);
	}

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
        $article=Article::model()->with(array('cate','user'))->findByPk($id);
        if(empty($article)){
            throw new CHttpException(400,'没有找到此文章');
        }
        $article->clicknumber++;
        $article->save();

        $type=Yii::app()->request->getParam('type',0);
        if($type==1){
            $article_next=Article::model()->find('cid='.$article->cid.' AND aid < '.$article->aid.' AND enabled=1 ORDER BY aid DESC');
            $article_prev=Article::model()->find('cid='.$article->cid.' AND aid > '.$article->aid.' AND enabled=1 ORDER BY aid ASC');
        }

        $menu=Yii::app()->request->getParam('menu',1);

        if($menu==1){
            $this->render('menu_view',array(
                'current'=>Cate::model()->with('parent')->findByPk($article->cid),
                'children'=>Cate::model()->with('children')->findAll('`t`.`pid`=:pid', array(':pid'=>$article->cate->pid)),
                'article'=>$article,
                'pid'=>$article->cate->pid,
                'cid'=>$article->cid,
                'type'=>$type,
                'article_next'=>isset($article_next)? $article_next : null,
                'article_prev'=>isset($article_prev)? $article_prev : null,
            ));
        }elseif($menu==0){
            $this->render('no_menu_view',array(
                'current'=>Cate::model()->with('parent')->findByPk($article->cid),
                'children'=>Cate::model()->with('children')->findAll('`t`.`pid`=:pid', array(':pid'=>$article->cate->pid)),
                'article'=>$article,
                'pid'=>$article->cate->pid,
                'cid'=>$article->cid,
                'type'=>$type,
                'article_next'=>isset($article_next)? $article_next : null,
                'article_prev'=>isset($article_prev)? $article_prev : null,
            ));
        }
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model=new Article;

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Article']))
		{
			$model->attributes=$_POST['Article'];
			if($model->save())
				$this->redirect(array('view','id'=>$model->aid));
		}

		$this->render('create',array(
			'model'=>$model,
		));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model=$this->loadModel($id);

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Article']))
		{
			$model->attributes=$_POST['Article'];
			if($model->save())
				$this->redirect(array('view','id'=>$model->aid));
		}

		$this->render('update',array(
			'model'=>$model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
		if(Yii::app()->request->isPostRequest)
		{
			// we only allow deletion via POST request
			$this->loadModel($id)->delete();

			// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
			if(!isset($_GET['ajax']))
				$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
		}
		else
			throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$dataProvider=new CActiveDataProvider('Article');
		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new Article('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['Article']))
			$model->attributes=$_GET['Article'];

		$this->render('admin',array(
			'model'=>$model,
		));
	}

    public function actionSearch()
    {
        $model=new Article('search');
        $model->unsetAttributes();  // clear any default values
        $search=Yii::app()->request->getParam('search', '');

        $criteria=new CDbCriteria;
//        $criteria->order='`createtime` DESC';

        if(!empty($search)){
            $criteria->compare('title',$search,true,'OR');
            $criteria->compare('excerpt',$search,true,'OR');
            $criteria->compare('content',$search,true,'OR');
            $criteria->compare('cid',23);
//            pd($criteria->params);
        }else{
            $criteria->compare('aid',0);
        }

        $this->render('search',array(
            'model'=>new CActiveDataProvider('Article',array(
                'criteria'=>$criteria,
                'pagination'=>array(
                    'pageSize'=>15,
                ),
            )),
        ));
    }

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer the ID of the model to be loaded
	 */
	public function loadModel($id)
	{
		$model=Article::model()->findByPk($id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param CModel the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='article-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}


    public function actionTitle()
    {
        $title=Yii::app()->request->getParam('name', '');
        $criteria=new CDbCriteria;
        $criteria->condition='type=3 AND title=:title AND enabled=1';
        $criteria->params=array(':title'=>$title);

        $article=Article::model()->find($criteria);
        if(empty($article)){
            throw new CHttpException(400,'没有找到此文章.');
        } else{
            $this->render('in_article',array(
                'title'=>$title,
                'article'=>$article,
            ));
        }
    }
}
